I am having trouble with a testing map, this map uses VARS to determine if you are playing in singleplayer or multiplayer, the map seems to be working just fine on single player.
However, playing the map on multiplayer makes it complete haywire and you get the strangest glitches I didn't even know you can accidentally make.
http://prnt.sc/ewlxgr
http://prnt.sc/ewlwbv
Map page: http://www.plazmaburst2.com/?s=9&a=&m=wreak-101
Remember the issue only started happening once you play it on multiplayer.